1. Product Introduction
The GPS built-in active antenna is composed of ceramic antenna body, low noise amplifier and feeder cable. It has the following characteristics:- Low voltage: 2.7~3.3V
- Low noise coefficient: <2.0
- Gain: 26±2dB
2. Antenna Structure
| Size | 25×25×8.7mm |
| Connector | MMCX Gold-plated bend head |
| Connecting line | RG178 cable |
| Weight | 20g |
| Working temperature | -40ºC~80ºC |
| Working humidity | 10%~95% |
| Storage temperature | -45ºC~85ºC |
| Storage humidity | 10%~95% |
| Length of lead | 200mm |

3. Technical characteristics
3.1 Antenna Parameters| Center frequency | 1575.42MHz |
| Width | 10MHZ |
| Gain (maximum direction) | 3dB |
| Gain (10 °elevation) | -5dB |
| Polarization | RHCP |
| Impedance | 50Ω |
3.2 Low noise amplifier
| Center frequency | 1575.42MHz |
| Gain | 26±2dB |
| Noise factor | <2.0dB |
| V.S.W.R | <2.0 |
| Working voltage | 2.7~3.3V |
| Working current | 10±2mA |
| Impedance | 50Ω |
5. Antenna size (unit: mm)

